@Test public void submitScheduledCallableTest() { TestPriorityScheduler testScheduler = new TestPriorityScheduler(); PrioritySchedulerDefaultPriorityWrapper psw = new PrioritySchedulerDefaultPriorityWrapper(testScheduler, TaskPriority.Low); psw.submitScheduled(new TestCallable(), 10); assertTrue(testScheduler.submitScheduledCallableCalled); // reset and try with priority testScheduler.submitScheduledCallableCalled = false; psw.submitScheduled(new TestCallable(), 10, TaskPriority.High); assertTrue(testScheduler.submitScheduledCallableCalled); }